Product Structure
ZW32-12(FDGM) model outdoor AC vacuum circuit breaker is used to make and break load current,overload current and short-circuit cur rent in12/24kV,50/60Hz power system.It is applicable for substations,industry and mining,urban and rural electricity power networks,especially foroccasions with frequent operation and automatic power distribution network.It accords with the standard of IEC62271-100&GB1984:AC highvoltage circuit breaker,IEC60694&GB/T11022:HV General technical requirement of switch and control apparatus.
Model description
Ambient condition
1.Altitude:<2000mm;
2.Ambient temperature:-40℃~+45℃
3.Wind speed:34m/s;
4.Earthquake intensity:<8 degree;
5.Ambient pollution:IV;
6.Ice thickNess:10mm;
7.Applicable occasions should be free from inflammables,explosives,corrosives and severe vibrations.
Technical Parameters
| 序号 No | 名称 Name | 单位 Unit | 数值Data | ||
| 12kV | |||||
| 1 | 新定电压Rated voltage | kV | 12 | ||
| 2 | 额定电流Rated current | A | 630、1250 | ||
3 | 额定绝 缘水平 Rated insulating level | 1min工频耐受电压 1min.PF withstand voltage | 千dry | kV | 相间、对地42,断口48 42(across open contacts:48) |
| 湿wet | 34 | ||||
| 4 | 雷电冲击耐受电压(峰值) Lightning impulse withstand voltage(peak) | kV | 相间、对地75,断口85 75(across open contacts:85) | ||
| 5 | 额定短路开断电流Rated short-circuit breaking current | kA | 20、25 | ||
| 6 | 额定短路关合电流(峰值)Rated short-circuit making current (peak) | kA | 50、63 | ||
| 7 | 额定峰值耐受电流Rated peak withstand current | kA | 50、63 | ||
| 8 | 4s额定短时耐受电流4s rated short-time withstand current | kA | 20、25 | ||
| 9 | 额定操作顺序Rated operating sequence | 分一0.3—合分—180s—合分O-0.3s-CO-180s-CO | |||
| 10 | 额定短路开断电流次数Breaking times of rated short-cicuit breaking current | 次times | 30 | ||
| 11 | 机械寿命Mechanical duration | 次times | 10000 | ||
| 12 | 储能电机额定电压 | V | DC或AC220、DC110、48、24 | ||
| 13 | 额定操作电压Rated operation voltage | V | DC或AC220、DC110、48、24 | ||
| 14 | 动静触头允许磨损厚度Abrasions thickNess of contacts | mm | 3 | ||
| 15 | 过电流脱扣器额定电流Rated current of over-current release | A | 5 | ||
| 16 | 电流互感器电流比Current transformer ratio | 200/5,400/5,600/5 Protection degree:III class,Class:0.5) | |||
Outline dimension and installation drawing
